高脂肪日粮对早期断奶羔羊断奶前后能量代谢和屠宰性能的影响

李文娟,陶慧,张乃锋,马涛,刁其玉

Effects of High-Fat Diet on Energy Metabolism and Slaughter Performance of Early-Weaning Lambs

LI WenJuan,TAO Hui,ZHANG NaiFeng,MA Tao,DIAO QiYu

表3 高脂肪日粮对早期断奶湖羊能量代谢的影响（干物质基础）

Table 3 Effect of high-fat diet on energy metabolism of Hu lambs（DM basis）

项目 Items	组别Groups		SEM	P
项目 Items	NF	HF	SEM	P
50-60日龄 50-60 days of age
摄入总能GE Intake (MJ·kg^-1W^0.75·d^-1)	1.67	1.98	0.179	0.132
粪能FE (MJ·kg^-1W^0.75·d^-1)	0.27	0.29	0.045	0.716
尿能UE (MJ·kg^-1W^0.75·d^-1)	0.04	0.04	0.004	0.696
消化能DE(MJ·kg^-1W^0.75·d^-1)	1.39	1.68	0.141	0.077
代谢能ME (MJ·kg^-1W^0.75·d^-1)	1.22	1.49	0.126	0.071
总能的表观消化率Apparent digestibility of GE (%)	83.65	85.43	1.292	0.212
总能代谢率ME/GE (%)	73.36	75.64	1.214	0.103
消化能代谢率DE/ME (%)	87.68	88.53	0.375	0.069
110-120日龄 110-120 days of age
摄入总能GE Intake (MJ·kg^-1W^0.75·d^-1)	2.00	1.99	0.100	0.905
粪能FE(MJ·kg^-1W^0.75·d^-1)	0.53	0.55	0.043	0.629
尿能UE (MJ·kg^-1W^0.75·d^-1)	0.05	0.05	0.005	0.231
消化能DE (MJ·kg^-1W^0.75·d^-1)	1.48	1.44	0.078	0.675
代谢能ME (MJ·kg^-1W^0.75·d^-1)	1.26	1.24	0.070	0.720
总能的表观消化率Apparent digestibility of GE (%)	73.60	72.65	1.535	0.553
总能代谢率ME/GE (%)	62.88	62.27	1.643	0.720
消化能代谢率DE/ME (%)	85.34	85.61	0.592	0.653